OpenMAXBellagio  0.9.3
queue.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "queue.h"
#include "omx_comp_debug_levels.h"

Go to the source code of this file.

Functions

int queue_init (queue_t *queue)
 
void queue_deinit (queue_t *queue)
 
int queue (queue_t *queue, void *data)
 
void * dequeue (queue_t *queue)
 
int getquenelem (queue_t *queue)
 

Function Documentation

§ dequeue()

§ getquenelem()

int getquenelem ( queue_t queue)

Returns the number of elements hold in the queue

Parameters
queuethe requested queue
Returns
the number of elements in the queue

Definition at line 143 of file queue.c.

References queue_t::mutex, and queue_t::nelem.

§ queue()

int queue ( queue_t queue,
void *  data 
)

§ queue_deinit()

void queue_deinit ( queue_t queue)

Deinitialize a queue descriptor flushing all of its internal data

Parameters
queuethe queue descriptor to dump

Definition at line 77 of file queue.c.

References queue_t::first, MAX_QUEUE_ELEMENTS, queue_t::mutex, and qelem_t::q_forw.

Referenced by base_constructor_remove_garbage_collected(), base_port_Destructor(), and omx_base_component_Destructor().

§ queue_init()

int queue_init ( queue_t queue)

src/queue.c

Implements a simple FIFO structure used for queueing OMX buffers.

Copyright (C) 2007-2009 STMicroelectronics Copyright (C) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Initialize a queue descriptor

Parameters
queueThe queue descriptor to initialize. The user needs to allocate the queue

Definition at line 38 of file queue.c.

References queue_t::first, queue_t::last, MAX_QUEUE_ELEMENTS, queue_t::mutex, queue_t::nelem, and qelem_t::q_forw.

Referenced by base_port_Constructor(), and omx_base_component_Constructor().


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